invalid problem set
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life and death
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-5
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Problem | 3323 |
Created | 2003-11-15 |
Source | 8k game on KGS |
Rating | |
Difficulty | 8 dan |
Average Solve Time | 55 secs |
User Attempts |
146 / 1685 |
Solve Ratio Rating | 4 dan |
| rating history |
Black to live unconditionally, escape is not good enough :)
(
;
SZ[19]
PB[Black]
PW[White][White]
AW[ag][aj][an][bg][bh][bo][ch][ci][cn][dh][dl][do][dp][ej][ek][eo][fo][gn]
AB[ah][ai][bf][bi][bj][bk][bl][bm][bn][cj][cm][df][dk][ep][fp][go][ho][in][ip][be]
(
;
B[dj]
;
W[cl]
(
;
B[el]
;
W[dm]
;
B[ei]
;
W[di]
;
B[eh]
;
W[eg]
;
B[dg]
;
W[fh]
;
B[fi]
;
W[gi]
;
B[fj]
;
W[fk]
;
B[gj]
;
W[hj]
;
B[gk]
;
W[fl]
C[RIGHT Black lives]
)
(
;
B[ei]
;
W[di]
(
;
B[el]
;
W[dm]
;
B[eh]
;
W[eg]
;
B[dg]
;
W[fh]
;
B[fi]
;
W[gi]
;
B[fj]
;
W[fk]
;
B[gj]
;
W[hj]
;
B[gk]
;
W[fl]
C[RIGHT Black lives]
)
(
;
B[eh]
;
W[eg]
;
B[dg]
C[RIGHT Black lives]
)
)
)
(
;
B[dn]
;
W[co]
(
;
B[cl]
;
W[dj]
;
B[el]
;
W[ck]
C[WRONG Ko, Black can do better.]
)
(
;
B[el]
;
W[dj]
;
B[cl]
;
W[ck]
C[WRONG Ko, Black can do better]
)
)
(
;
B[dm]
;
W[el]
C[WRONG Black is dead]
)
)
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